The photographer stopped clicking and hurried around the corner.摄影师停止按动快门，匆匆绕过拐角。My new place is just around the corner.我的新家就在附近。He ran around the corner, cannoning into a group of kids.他跑过拐角时与一群小孩相撞。...
The extensiveness of his knowledge surprised them.他知识广博使他们很惊奇.Its glamour and extensiveness lie not only in its functions but also in its language.它的广泛性和魅力不仅在于它的功能,还在于它的语言.At present ideological and political work in hos...
Methods: α - Bromo - 4 - benzyloxy acetophenone is synthesized with 4 - hydroxy acetophenone and bromonium as materials and methanol as solvent.方法: 以甲醇为溶剂,以对羟基苯乙酮和溴为原料制备了α - 溴-4-苄氧苯基苯乙酮.Thus , this reduced temperature of...